dpll: add clock quality level attribute and op

JIRA: https://issues.redhat.com/browse/RHEL-77838



Upstream commit(s):
commit a1afb959add1fad43cb337448c244ed70bac3109
Author: Jiri Pirko <jiri@nvidia.com>
Date:   Wed Oct 30 09:11:56 2024 +0100

    dpll: add clock quality level attribute and op

    In order to allow driver expose quality level of the clock it is
    running, introduce a new netlink attr with enum to carry it to the
    userspace. Also, introduce an op the dpll netlink code calls into the
    driver to obtain the value.

Signed-off-by: Jiri Pirko <jiri@nvidia.com>
    Link: https://patch.msgid.link/20241030081157.966604-2-jiri@resnulli.us


Signed-off-by: Jakub Kicinski <kuba@kernel.org>

Signed-off-by: Petr Oros <poros@redhat.com>